Solve: x2 - 20x + 36 = 0 (A) {6, -6} (B) {2, 18} (C) {-4, -9} (D) no solution

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Asked 3/26/2013 2:38:13 PM

Updated 9/19/2023 10:34:10 AM

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Asked 3/26/2013 2:38:13 PM

Updated 9/19/2023 10:34:10 AM

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Solution:

To solve the quadratic equation x^2 - 20x + 36 = 0, you can factor it:

(x - 18)(x - 2) = 0

x - 18 = 0 or x - 2 = 0

x = 18 or x = 2

So, the solutions to the equation are x = 18 and x = 2, which corresponds to {2, 18}.

To solve the quadratic equation x^2 - 20x + 36 = 0, you can factor it:

(x - 18)(x - 2) = 0

x - 18 = 0 or x - 2 = 0

x = 18 or x = 2

So, the solutions to the equation are x = 18 and x = 2, which corresponds to {2, 18}.

Added 9/19/2023 10:34:06 AM

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Which description best fits the number one? (A) prime (B) composite (C) neither

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Updated 1/4/2016 4:22:09 AM

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Simplify: (5x - 10)2 **Weegy:**
(5x - 10)^2
= (5x - 10)(5x - 10)
= 25x^2 - 50x - 50x + 100
= 25x^2 - 100x + 100
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Updated 6/16/2014 12:03:19 PM

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(m + 7) (m - 7)

= m^2 - 7m + 7m - 49

= m^2 - 49

= m^2 - 7m + 7m - 49

= m^2 - 49

Added 6/16/2014 12:03:19 PM

This answer has been confirmed as correct and helpful.

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